Answer:
[tex]x=8[/tex]
Step-by-step explanation:
[tex]x+9+3x=4x+2(x-3.5)[/tex]
Distribute 2 to the parenthesis
[tex]x+9+3x=4x+2x-7[/tex]
Combine like terms
[tex]4x+9=6x-7[/tex]
Subtract 4x from both sides
[tex]4x+9=6x+-7[/tex]
[tex]-4x[/tex] [tex]-4x[/tex]
[tex]9=2x+-7[/tex]
[tex]2x+-7=9[/tex]
Add 7 to both sides
[tex]2x+-7=9[/tex]
[tex]+7[/tex] [tex]+7[/tex]
[tex]2x=16[/tex]
Divide both sides by 2
[tex]2x=16[/tex]
[tex]/2[/tex] [tex]/2[/tex]
[tex]x=8[/tex]
Hope this helps!
